:root{--bg:#f8f9fb;--surface:#ffffff;--ink:#1d2127;--muted:#8a909a;--line:#edeef1;--line-soft:#f3f4f6;--primary:#10b981;--primary-dark:#059669;--danger:#ef4444;--warn:#f59e0b;--male:#3b82f6;--female:#ec4899;--radius:16px;--radius-sm:10px;--radius-pill:999px;--shadow-sm:0 1px 2px rgba(16,24,40,0.04);--shadow-md:0 6px 24px rgba(16,24,40,0.06);--shadow-lg:0 16px 48px rgba(16,24,40,0.12)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang TC,Noto Sans TC,Microsoft JhengHei,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary-dark);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1080px;margin:0 auto;padding:36px 24px 80px}.topbar{justify-content:space-between;gap:12px;padding:13px 28px;background:rgba(255,255,255,.8);-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar,.topbar .brand{display:flex;align-items:center}.topbar .brand{font-weight:700;font-size:16px;gap:8px}.topbar .brand .dot{width:10px;height:10px;border-radius:50%;background:var(--primary);display:inline-block}.topbar nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.topbar nav a{padding:6px 12px;border-radius:var(--radius-sm);color:var(--ink);font-size:14px}.topbar nav a:hover{background:var(--bg);text-decoration:none}.topbar nav .tab{padding:6px 13px;border-radius:var(--radius-sm);color:#5b616b;font-size:14px;font-weight:550}.topbar nav .tab:hover{background:var(--bg);color:var(--ink);text-decoration:none}.topbar nav .tab.active{background:#ecfdf5;color:var(--primary-dark)}.topbar .who{font-size:13px;color:var(--muted);margin-left:4px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:28px;margin-bottom:22px}h1{font-size:23px;font-weight:650;letter-spacing:-.01em;margin:0 0 6px}h2{font-size:17px;font-weight:600;letter-spacing:-.005em;margin:0 0 14px}.subtle{color:var(--muted);font-size:13.5px;line-height:1.7}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--radius-sm);padding:8px 15px;font-size:14px;font-weight:550;cursor:pointer;transition:all .12s ease}.btn:hover{border-color:#d8dade;background:var(--bg)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}.btn.danger{color:var(--danger);border-color:#fca5a5}.btn:disabled{opacity:.5;cursor:not-allowed}input[type=email],input[type=month],input[type=text],select{border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 12px;font-size:14px;font-family:inherit;width:100%;max-width:340px}input:focus,select:focus{outline:none;border-color:var(--primary)}table{border-collapse:collapse;width:100%;font-size:13px}td,th{border:1px solid var(--line-soft);padding:9px 11px;text-align:center}th{background:#fafbfc;font-weight:600;color:#5b616b}td.name-col,th.name-col{text-align:left;white-space:nowrap;position:-webkit-sticky;position:sticky;left:0;background:var(--surface)}th.name-col{background:#f0f4f8}.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}.pill.m{background:#dbeafe;color:#1d4ed8}.pill.f{background:#fce7f3;color:#be185d}.pill.ok{background:#d1fae5;color:#047857}.pill.warn{background:#fef3c7;color:#b45309}.cell-avail{background:#ecfdf5;color:var(--primary-dark);font-weight:700}.cell-assigned{background:#fff7cc!important;font-weight:700}.cell-holiday{background:#f3f4f6;color:var(--muted);font-size:11px}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:10px 0}.toolbar .label{font-size:13px;color:var(--muted)}.btn.sm{padding:4px 11px;font-size:13px;font-weight:500}.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn.ghost:hover{background:var(--bg);border-color:var(--line)}.btn.ghost.danger{color:#d98a8a}.btn.ghost.danger:hover{color:var(--danger);background:#fef2f2;border-color:#fecaca}.chip{padding:5px 12px;border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--surface);font-size:13px;font-weight:600;cursor:pointer;color:var(--ink)}.chip.on,.chip:hover{border-color:var(--primary)}.chip.on{background:#ecfdf5;color:var(--primary-dark)}.chip .muted{color:var(--muted);font-weight:400;margin-left:3px}.seg{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}.seg button{border:none;background:var(--surface);padding:5px 13px;font-size:13px;cursor:pointer;color:var(--ink)}.seg button.on{background:var(--primary);color:#fff}.sched-matrix td,.sched-matrix th{padding:4px 6px;min-width:30px;font-size:13px}.sched-matrix td{color:var(--muted);-webkit-user-select:none;-moz-user-select:none;user-select:none}.cell-pick{background:#f0fdf4;color:#86c9a4;font-weight:600}.cell-pick:hover{background:#d1fae5;color:var(--primary-dark)}.cell-assign-ok{background:var(--primary)!important}.cell-assign-bad,.cell-assign-ok{color:#fff!important;font-weight:700}.cell-assign-bad{background:var(--warn)!important}.sched-matrix .td-bad,.sched-matrix th.td-bad{background:#fee2e2;color:#991b1b}.sched-matrix .td-warn,.sched-matrix th.td-warn{background:#fff3d6;color:#92400e}.row-summary td{border-top:2px solid var(--line)}tbody tr.td-bad>td{background:#fff5f5}tbody tr.td-warn>td{background:#fffaf0}.banner{border-radius:var(--radius-sm);padding:10px 14px;font-size:14px;margin:10px 0}.banner.info{background:#eff6ff;color:#1e40af}.banner.warn{background:#fffbeb;color:#92400e}.banner.err{background:#fef2f2;color:#991b1b}.banner.ok{background:#ecfdf5;color:#065f46}.grid-days{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));grid-gap:8px;gap:8px;margin-top:12px}.day-toggle{border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px;cursor:pointer;text-align:center;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:all .1s ease}.day-toggle.on,.day-toggle:hover{border-color:var(--primary)}.day-toggle.on{background:var(--primary);color:#fff}.day-toggle .d{font-size:15px;font-weight:700}.day-toggle .w{font-size:12px;opacity:.8}.muted-mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--muted)}.cover{max-width:1100px;margin:0 auto;padding:56px 20px 24px;display:grid;grid-template-columns:1.2fr .8fr;grid-gap:40px;gap:40px;align-items:center}@media (max-width:800px){.cover{grid-template-columns:1fr;padding-top:32px}}.cover-kicker{color:var(--primary-dark);font-weight:700;font-size:13px;letter-spacing:2px}.cover-title{font-size:40px;margin:8px 0 14px;line-height:1.15}.cover-lead{color:var(--muted);font-size:16px;line-height:1.8;max-width:520px}.cover-points{color:var(--muted);font-size:14px;line-height:2;padding-left:18px;margin-top:8px}.cover-login{box-shadow:var(--shadow-md)}.cover-login h2{margin-top:0}.cover-content{margin-top:24px;border:1.5px dashed var(--line);border-radius:var(--radius);padding:48px;text-align:center}.footer{text-align:center;color:var(--muted);font-size:12px;padding:24px 0}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:24px;max-width:520px;width:100%}.modal h2{margin-top:0;color:var(--warn)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}